Journal of the Korea Convergence Society (한국융합학회논문지)

Korea Convergence Society (한국융합학회)
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Analytical Study on Durability due to the Load of Artificial Knee Joint

무릎인공관절의 하중에 따른 내구성에 관한 해석적 연구

  • Cho, Jae-Ung (Division of Mechanical & Automotive Engineering, Kongju National University)
  • 조재웅 (공주대학교 기계자동차공학부)
  • Received : 2014.03.10
  • Accepted : 2014.05.27
  • Published : 2014.06.30
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Abstract

The artificial joint is consisted with the upper structure of tungsten alloy steel and the lower part of polyethelene are applied with load. When this joint is applied with load in this study, the load distribution at the joint and the stress distribution of support hole to install the joint are investigated by finite element analysis. These results can be utilized at obtaining the basic material to have the experiment for the real thing. The crack is initiated as the load is concentrated at the end of corner on the upper structure. This behavior is in accord with a case of tissue damage due to the breakage of artificial joint reported at medical science.

본 연구에서는 텅스텐합금강의 상부구조와 폴리에틸렌소재로 구성된 하부구조의 무릎 인공관절이 하중을 받았을 때에 인공관절의 하중분포와 인공관절의 설치를 위한 지지구멍에 가해지는 응력분포에를 유한요소해석에 의하여 연구하였으며, 이러한 결과들을 이용하여 실물에 대한 실험을 위한 기초자료를 얻을 수 있었다. 상부구조의 모서리 끝부분부터 하중이 집중되어 크랙이 발생되며 이는 의학계에 보고된 인공관절파손에 의한 조직괴사사례와 그 거동이 일치하였다.

Keywords

References

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